Exam 3 Flashcards
Three parts of each innominate
Ilium
Ischium
Pubis
Large depression on lateral aspect of each innominate
Acetabulum
Acetabulum:
- Receives the… to form…
- ______ surface is the horseshoe shaped articular surface
- Acetabular ______ - rough, non-articular, center portion
- Acetabular ______ - outside edge
- Acetabular ______ - inferior edge where the rim is deficient
- ________ ________ ________ - connective tissue bridge of the notch
Lunar Surface Acetabular FOSSA - center/non-articular Acetabular RIM - outside edge Acetabular NOTCH - inferior TRANSVERSE ACETABULAR NOTCH - connective bridge
Three oblique lines of the ilium
Anterior Line
Posterior Line
Inferior Gluteal Line
Internal or medial surface on ilium
Iliac Fossa
Two posterior areas of iliac (superior/inferior)
Iliac Tuberosity - Superior
Auricular Surface - Inferior
Just inferior to the iliac fossa (curved line)
- Marks the boundary between…
- The line from each innominate forms the…
Arcuate Line
- boundary between the MAJOR and FALSE PELVIS
- Pelvic Brim
Superior border of the ilium
Iliac Crest
A distinct bump found on the lateral most aspect of the iliac crest
Iliac Tubercle
Notch just inferior to the posterior edge of the iliac crest
Greater Sciatic Notch
“L” shaped bone which consists of the body and ramus
Ischium
Consists of body and two rami
Pubis
Large oval opening found at the inferior aspect of each innominate
Obturator Foramen
Indentation found at the superior anterior border of the obturator groove
Obturator Groove
Connective tissue that closes the obturator foramen
Obturator membrane
Boundaries: lumbar vertebrae, ilium and abdominal wall.
- Which part of the pelvis?
- Its function?
False or Major Pelvis:
Support/Protect Abdominal Viscera
Boundaries: Sacrum/Coccyx, ilium, ischium and pubis.
- Which part of the pelvis?
- Its function?
True or Minor Pelvis:
Surround birth canal in females
4 functions of pelvic bone as a whole:
- Protect…
- Transmit…
- Allow…
- In females…
- Protect PELVIC VISCERA
- Transmit BODY WEIGHT to the LIMBS
- Allow LOCOMOTION
- In females, SUPPORT BIRTH CANAL
Classification of Pelvic Bones:
- Typical Male
- Exaggerated Male
- Typical Female
- Exaggerated Female
ANDROID - typical male
ANTHROPOID - exaggerated male
GYNECOID - typical female
PLATYPELLOID - exaggerated female
4 parts of the pelvis that are most prone to fracture
Pubic Rami
Acetabulum (and immediate surroundings)
S.I. Joint area
Lateral aspect of the Ilium
Because the pelvis is a solid bony ring, what is unique about the way it often fractures?
Fractures in two places:
- where force is directly applied
- 180 degrees opposite
Hip Pointers: Common painful contusion of the soft tissue associated with the ______ _______
Iliac Crest
Ossification of Pelvic Bone:
- 3 primary
- 5 secondary
- Completes its ossification between ____ and ____ years of age
Primary - Ilium, Ischium, Pubis
Secondary - Iliac Crest, A.I. Iliac Spine, Ischial Tuberosity, Pubis Symphysis, Acetabulum
Complete between 20 and 22
The femur length is about ___ that of the body and its average length is about ___ inches
1/4 of the body
18 in. (45 cm)
______ _______: pit or depression of head of femur which is for attachment of the ______ _______ ligament
Fovea Capitis
Capitis Femoris Ligament
The neck of the femur contains more…
Pits for Blood Vessels
The greater and lesser trochanter are joined posteriorly by the ____________ _______ which contains a bump known as the _________ ________, and they are joined anteriorly by the ___________ _______
Posterior: Intertrochanteric Crest - Quadrate Tubercle
Anterior: Intertrochanteric Line